IV > III > II > I<\/li>\n<\/ul>\nBasicity is the tendency of an atom or molecule to accept an electron pair. The more basic an atom or molecule is, the stronger its attraction for electrons.<\/p>\n
In the given compounds, the central atom is nitrogen. Nitrogen has a valence of 5, which means it can form 5 bonds. In compound I, nitrogen is bonded to 3 hydrogen atoms and 1 oxygen atom. In compound II, nitrogen is bonded to 2 hydrogen atoms and 2 oxygen atoms. In compound III, nitrogen is bonded to 1 hydrogen atom and 3 oxygen atoms. In compound IV, nitrogen is bonded to 0 hydrogen atoms and 4 oxygen atoms.<\/p>\n
Oxygen is more electronegative than hydrogen. This means that oxygen has a stronger attraction for electrons than hydrogen. In compound I, nitrogen is bonded to 3 hydrogen atoms and 1 oxygen atom. The oxygen atom will pull electrons away from the nitrogen atom, making it less basic. In compound II, nitrogen is bonded to 2 hydrogen atoms and 2 oxygen atoms. The oxygen atoms will pull electrons away from the nitrogen atom, but not as strongly as in compound I. In compound III, nitrogen is bonded to 1 hydrogen atom and 3 oxygen atoms. The oxygen atoms will pull electrons away from the nitrogen atom, but not as strongly as in compound I or II. In compound IV, nitrogen is bonded to 0 hydrogen atoms and 4 oxygen atoms. The oxygen atoms will pull electrons away from the nitrogen atom very strongly, making it the least basic of the four compounds.<\/p>\n
Therefore, the correct order of basicity of the given compounds is:<\/p>\n
\n- IV > III > II > I<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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